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ARO FRL

ARO, a brand under Ingersoll Rand, has been a manufacturer of fluid-handling and pneumatic components since its founding in 1930. The ARO FRL (Filter-Regulator-Lubricator) product line is a core offering for compressed air preparation in industrial environments. 3G Electric supplies a range of ARO FRL units, including piggyback configurations that combine a filter and regulator in a single body, reducing space requirements and potential leak points. These units are available in Series 1500 and Series 2000, with port sizes from 1/4 in to 1/2 in NPT, covering flow capacities from 58 scfm to 172 scfm. The filter elements are rated at 5 micron, suitable for removing particulate and condensate from compressed air lines. Bodies are constructed from aluminum, with seals and diaphragms made from nitrile rubber, providing compatibility with standard industrial lubricants and operating temperatures typical of pneumatic systems. Pressure ratings are available at 150 psi or 250 psi, depending on the specific model. Drain options include manual or auto-drain, allowing selection based on maintenance preferences and application demands. 3G Electric supports these ARO FRL units by offering multiple SKUs with varying specifications, enabling engineers and procurement specialists to match the exact port size, flow rate, pressure rating, and drain type required for their pneumatic circuits. The piggyback design simplifies installation and reduces component count, which is beneficial for panel mounting or tight spaces. All units are supplied with standard NPT threads for compatibility with common piping systems. 3G Electric provides logistics support for global shipment, ensuring that these ARO FRL components are accessible for maintenance, retrofits, or new system builds across industries such as manufacturing, packaging, and material handling.

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About ARO FRL

ARO, a brand under Ingersoll Rand, has been a manufacturer of fluid-handling and pneumatic components since its founding in 1930. The ARO FRL (Filter-Regulator-Lubricator) product line is a core offering for compressed air preparation in industrial environments. 3G Electric supplies a range of ARO FRL units, including piggyback configurations that combine a filter and regulator in a single body, reducing space requirements and potential leak points. These units are available in Series 1500 and Series 2000, with port sizes from 1/4 in to 1/2 in NPT, covering flow capacities from 58 scfm to 172 scfm. The filter elements are rated at 5 micron, suitable for removing particulate and condensate from compressed air lines. Bodies are constructed from aluminum, with seals and diaphragms made from nitrile rubber, providing compatibility with standard industrial lubricants and operating temperatures typical of pneumatic systems. Pressure ratings are available at 150 psi or 250 psi, depending on the specific model. Drain options include manual or auto-drain, allowing selection based on maintenance preferences and application demands. 3G Electric supports these ARO FRL units by offering multiple SKUs with varying specifications, enabling engineers and procurement specialists to match the exact port size, flow rate, pressure rating, and drain type required for their pneumatic circuits. The piggyback design simplifies installation and reduces component count, which is beneficial for panel mounting or tight spaces. All units are supplied with standard NPT threads for compatibility with common piping systems. 3G Electric provides logistics support for global shipment, ensuring that these ARO FRL components are accessible for maintenance, retrofits, or new system builds across industries such as manufacturing, packaging, and material handling.

Common Applications

  • Manufacturing assembly lines — ARO FRL Series 1500 piggyback units for pneumatic tool air preparation
  • Packaging machinery — ARO FRL Series 2000 units with auto drain for continuous operation
  • Material handling systems — ARO FRL piggyback units regulating air pressure to actuators and cylinders
  • Automotive paint booths — ARO FRL units with 5 micron filtration for clean, regulated air supply
  • Food processing equipment — ARO FRL piggyback units with 250 psi rating for high-pressure pneumatic circuits
  • Textile manufacturing — ARO FRL Series 1500 units for air preparation in weaving and spinning machines

Frequently asked questions

Common questions about ARO FRL from 3G Electric.

What is the difference between ARO FRL Series 1500 and Series 2000?

The primary difference is flow capacity and port size. Series 1500 units are designed for lower flow applications, with port sizes of 1/4 in NPT and flow rates up to 72 scfm. Series 2000 units accommodate higher flow demands, with port sizes of 3/8 in or 1/2 in NPT and flow rates up to 172 scfm. Both series share a 5 micron filter rating and are available in 150 psi or 250 psi pressure ratings. The choice depends on the compressed air consumption of your downstream equipment.

What does 'piggyback' mean in ARO FRL configurations?

A piggyback ARO FRL combines a filter and a regulator in a single, integrated unit. This design reduces the overall footprint compared to separate components, minimizes potential leak points, and simplifies piping. The filter element and regulator are stacked vertically, with the filter typically on the bottom and the regulator on top. This configuration is common in space-constrained installations or where a compact air preparation unit is required.

What drain options are available for ARO FRL filter/regulators?

ARO FRL piggyback units are offered with either manual drain or auto drain. Manual drain requires periodic operator intervention to open a valve and release accumulated condensate. Auto drain automatically expels condensate when a certain level is reached, reducing maintenance labor. The choice depends on the application's accessibility and maintenance schedule. Both options are available across Series 1500 and Series 2000 models.

What is the maximum operating pressure for ARO FRL piggyback units?

ARO FRL piggyback units are available in two pressure ratings: 150 psi and 250 psi. The specific maximum pressure depends on the model. For example, SKU 342DM7 (Series 1500, 1/4 in NPT) is rated at 150 psi, while SKU 342DM9 (Series 1500, 1/4 in NPT) is rated at 250 psi. Always verify the pressure rating of the specific SKU to ensure it matches your system's operating pressure.

What materials are used in ARO FRL filter/regulators?

The body of ARO FRL piggyback units is constructed from aluminum, providing a lightweight yet durable housing. Seals and diaphragms are made from nitrile rubber, which offers good resistance to petroleum-based oils and lubricants commonly used in pneumatic systems. The filter element is rated at 5 micron and is typically made from sintered bronze or similar porous material. These materials are standard for industrial compressed air applications.

Can ARO FRL piggyback units be used with lubricators?

Yes, ARO FRL piggyback units are filter/regulator combinations and can be paired with a separate lubricator to form a complete FRL assembly. The piggyback unit handles filtration and pressure regulation, while a lubricator can be installed downstream to add oil mist to the compressed air for lubrication of pneumatic tools and actuators. Ensure the lubricator's port size and flow capacity match the piggyback unit's specifications.